7 × 11 × 19 × 443

Prime Factor Structure

Factorization String 7 × 11 × 19 × 443

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 852,480

Proper Divisor Sum 204,371

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #648107 ← → #648119

1 7 11 19 77 133 209 443 1,463 3,101 4,873 8,417 34,111 58,919 92,587 648,109

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

648,109 1,944,328 972,164 486,082 243,041 729,124 364,562 182,281 546,844 273,422 136,711 410,134 205,067 615,202 307,601 922,804 461,402 230,701 692,104 346,052 173,026 86,513 259,540 129,770 64,885 194,656 97,328 48,664 24,332 12,166 6,083 18,250 9,125 27,376 13,688 6,844 3,422 1,711 5,134 2,567 7,702 3,851 11,554 5,777 17,332 8,666 4,333 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372 686

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.